Add some more commands for watching just one docs page.

Author: mrmrs

package.json

@@ -9,7 +9,13 @@
     "components:watch": "watch 'node build.js' src/components/*",
     "home:watch": "watch 'node build-home.js' src/templates/",
     "build:watch": "watch 'node build.js' src/templates/",
+    "docs:grid": "watch 'node src/modules/grid.js' src/templates/docs/grid/",
     "docs:links": "watch 'node src/modules/links.js' src/templates/docs/links/",
+    "docs:videos": "watch 'node src/modules/videos.js' src/templates/",
+    "docs:hovers": "watch 'node src/modules/hovers.js' src/templates/docs/hovers/",
+    "docs:measure": "watch 'node src/modules/measure.js' src/templates/docs/measure/",
+    "docs:type": "watch 'node src/modules/scale.js' src/templates/docs/type-scale/",
+    "docs:line-height": "watch 'node src/modules/line-height.js' src/templates/docs/line-height/",
     "doc": "bash script.sh",
     "doc:watch": "watch 'npm run doc' src/templates/docs",
     "doc:lib": "watch 'npm run doc' lib",